Astec Tubes is engaged in manufacturing, supplying and exporting the very good quality of wider ranges of Alloy steel F9 Flanges to the global buyers. We have a wide range of these products. Alloy steel F9 pipe flanges are successfully hot-formed by using the forces that are similar to those that are needed by the austenitic SS. many reactions of slip-on flanges interferes with one another, thus needs the use of process models for helping in analyzing the options, creating the effective commercial practices and optimizing competing reactions. Threaded flanges are recyclable 100%, where over 50% of new steels are designed through the re-melted scrap metal, rendering it be completely eco-friendly material.